We mined published microarray data (1) to understand the most significant gene expression differences in the tumors of triple negative breast cancer patients based on survival following treatment: dead or alive. We observed significant transcriptome-wide differential expression of zinc finger protein 831, encoded by ZNF831 when comparing the primary tumors of triple negative breast cancer patients dead or alive. Importantly, ZNF831 expression was correlated with recurrence-free survival in

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... subtype breast cancer, a molecular subtype sharing significant overlap with triple negative breast cancer. ZNF831 may be of relevance as a biomarker or as a molecule of interest in understanding the etiology or progression of triple negative breast cancer.